6th Grade Math Vocabulary
Terms
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- Place Value
- The value of a digit based on its position within a number.
- Improper Fraction
- A fraction with a numerator equal to or greater than the denominator.
- Side
- A line segment that is part of a polygon.
- Mass
- The amount of matter in an object.
- Circle Graph
- A method of displaying data, often used to show information about percentages or parts of a whole. A circle graph is made of a circle divided into sectors.
- Open Option Survey
- A survey in which the options are not limited.
- Function
- A rule for using one number (an input) to calculate another number (an output). Each input produces only one output.
- Survey
- A method of collecting data about a particular population.
- Oblique
- A line that is neither horizontal nor vertical.
- Power
- The value of an exponential expression.
- Chance
- A way of expressing the likelihood of an event; the probability of an event expressed as a percentage.
- Cross Products
- The product of the numerator of one fraction and the denominator of another.
- Histogram
- A method of displaying a range of data. A histogram is a special type of graph that displays dat in intervals of equal size with no space between bars.
- Base
- A designated side or face of a geometric figure.
- Triangular Prism
- A prism that is shaped like a triangle at the ends.
- End Points
- A point at which a segment ends.
- Acute Angle
- A triangle whose largest angle measures more than 0 degrees but is less than 90 degrees.
- Closed option Survey
- A survey in which the options are limited.
- Reciprocal
- Two numbers whose product is one.
- Product
- The result of multiplication.
- Reflection
- Flipping a figure to produce a mirror image.
- Origin
- The location of the number zero on a number line.
- Polygons
- A closed, flat shape with straight sides.
- Polyhedron
- A geometric figure whose faces are polygons.
- Factors
- One of two or more numbers that are multiplied.
- Translation
- Sliding a figure from one position to another without turning or flipping a figure.
- Surface Area
- The total area of the surface of a geometric solid.
- Composite
- A counting number greater than one that is divisible by a number pther than itself and one. Every composite number has three or more fctors.
- Line Plot
- A method of plotting a set of numbers by placing a mark above anumber on a number line each time it occurs in the set.
- Scalene Triangle
- A triangle with three sides of different lengths.
- Probability
- A way of describing the likelihood of an event; the ratio of favorable outcomes to all possible outcomes.
- Decimal Places
- Places to the right of a decimal point.
- Prime Factorization
- The expression of a composite number as a product of its prime factors.
- Quotient
- The result of division.
- Parallel
- Lines in the same plane that do not intersect.
- Line Graph
- A graph that shows the data for one thing over a period of time.
- Scale
- A ratio that shows the relatioship between a scale drawing or model and the actual object.
- Corresponding Angles
- A special pair of angles formed when a transversal intersects two lines. Corresponding angles lie on the same side of the transversal and are in the same position relative to the two intersected lines.
- Mode
- The number or numbers that appear the most often in a list of data.
- Supplementary Angles
- Two angles whose sum is 180 degrees.
- Tenths Place
- The tens place in a decimal number.
- Transversal
- A line that intersects one or more other lines in a plane.
- Counting Numbers
- Then numbers used to count; the members of the set (1, 2, 3, 4, 5, ...). Also called natural numbers,
- Numerator
- The top term of a fraction.
- Add
- Putting numbers together for a bigger number.
- Minuend
- A number from which another number is subtracted.
- Mixed Numbers
- A whole number and a fraction together.
- Line of Symmetry
- A line that divides a figure into two halves that are mirror images of eachother.
- Circumference
- The perimeter of a circle.
- Equilateral Triangle
- A triangle in which all sides are the same length.
- Greater Than/Less Than
- Two signs that would show that a number was larger or smaller than another number.
- Isosceles Triangle
- A triangle with at least two sides of equal length.
- Right Triangle
- A triangle whose largest angle measures 90 degrees.
- Right Angle
- An angle that forms a square corner and measures 90 degrees. It is often marked with a small square.
- X-axis
- The horizontal number line of a coordinate plane.
- Fahrenheit Scales
- A scale used used on some thermometers to measure temperature.F
- Corresponding Parts
- Sides or angles that occupy the same relative positions in similar polygons.
- Pi
- The number of diameters equal to the circumference of a circle.
- Inverse Operation
- Operations that"undo" one another.
- Multiples
- A product of a counting number and another number.
- Median
- The middle number (or the average of the two ventral numbers) of a list of data when the numbers are arranged in order from the least to the greatest.
- Estimate
- To detrmine an approximate value.
- Negative Numbers
- Numbers less than zero.
- Sum
- The result of addition.
- Unit Multiplier
- A ratio equal to one that is composed of two equivalent measures.
- U.S. Customary System
- A system of measurement used almost ecclusively in the United States.
- Mean
- Average.
- Congruent
- Having the same size and shape.
- Exterior Angle
- In a polygon, the supplementary angle of an interior angle.
- Sales Tax
- The tax charged on the sale of an item based upon the items purchase price.
- Capacity
- The amount of liquid a container can hold.
- LCM
- The smallest whole number that is a multiple of two or more given numbers.
- Ratio
- A comparison of two numbers by division.
- Quadrilateral
- Any four-sided polygon.
- Bimodel
- Having two models.
- Interest
- An amount added to a loan, account, or fund, usually based on a percentage of the principal.
- Difference
- The result of subtrction.
- Coordinate Plane
- A grid on which any point can be identified by an ordered pair of numbers
- Frequency Table
- A way of pairing selected data with the number of times the selected data appears.
- Perpendicular
- Two lines that intersect at right angles.
- Remainder
- An amount left after division.
- GCF
- The largest whole number that is a factor of two or more given numbers.
- Obtse Angle
- An angle whose measure is more than 90 degrees and less than 180 degrees.
- Volume
- The amount of space a solid shape occupies. Volume is measured in cubic units.
- Graph
- A diagram, such as a bar graph, a circle graph (pie chart), or a line graph, that displays quantative information.
- Operations of Arithmetic
- The four basic mathmatical operations: addition, subtraction, multiplication, division.
- Weight
- The measure of how heavy an object is.
- Integers
- The set of counting numbers, their opposites, and zero; the members of the set (..., -2, -1. 0, 1, 2, ...).
- Perimeter
- The distance around a closed, flat shape.
- Line
- A straight collection of points extending in opposite directions without end.
- Similar
- Having the same shape but not necessarily the same size. Corresponding angles of similar figurea are congruent. Corresponding sides of similar figures are proportional.
- Proportion
- A statement that shows two ratios are equal.
- Odd Numbers
- Numbers that have a remainder of one when divided by two; members of the set (..., -3, -1, 1, 3, ...).
- Degree
- A unit for measuring angles.
- Parallelogram
- A quadrilateral that has two pairs of parallel sides.
- Theoretical Probability
- The probability that an event will occur, as determined by analysis rather than by experimentation.
- Equivalent Fractions
- Different fractions that name the same amount.
- Equal Sign
- A sign in a problem that says that the numbers are equal to the number or variable that come after the equal sign.
- Expanded Notation
- A way of writing a number as the sum of the roducts if the digits and the place values of the digits.
- Factor
- One of two or more numbers that are multiplied.
- Complementary Angles
- Two angles whose sums are 90 degrees.
- Plane
- A flat surface that has no boundaries.
- Square Root
- One of two equal factors of a number.
- Even Numbers
- Numbers that can be divided without a remainder; the members of the set(.., -4, -2, 0, 2, 4, ...).
- Compare
- To compare two numbers.
- Metric System
- An international system of measurement based on multiples of ten. Also called International System.
- Algebraic Addition
- The combining of positive and negative numbers to form a sum.
- Vertex
- A point of an angle, polygon, or polyhedron where two or more lines, rays, or segments meet.
- Range
- The difference between the largest number and smallest number in a list.
- Principal
- The amount of money borrowed in a loan deposited in an account that earns interest, or invested in a fund.
- Divisible
- Able to be divided by a whole number without a remainder.
- Experimental Probabilty
- The probability of an event occurring as determined by experimentation.
- Subtrahend
- A number that is subtracted.
- Compund Interest
- Interest that pays on previously earned interest.
- Celsius Scales
- A scale used used on some thermometers to measure temperature.C
- Simple Interest
- Interest calculated as a percentage of the principle only.
- Exponent
- The upper number in an exponential expression; it shows how many times the base is used as a factor the number of times shown by the exponent.
- Percent
- A fraction whose denominator of 100 is expressed as a percent sign.
- FactFamily
- A group of three numbers related by addition and subtraction or by multiplication and division.
- Edge
- A line segment formed where two faces of a polyhedron intersect.
- Y-axis
- The vertical number line of a coordinate plane.
- Addend
- One of two or more numbers that are added to find a sum.
- Opposites
- Two numbers whose sum is zero.
- Prime
- A counting number greater that 1 whose only two factors are one and it self.
- Positive Numbers
- Numbers greater than zero.
- Transformation
- The changing of a figure's position through rotation, reflection, or translation.
- Perfect Square
- The product when a whole number is multiplied by itself.
- Stem-and-leaf-Plot
- A method of graphing a collection of numbers by placing the "stem" digits (or initial digits) in one column and the "leaf" digits (or remaining digits) out to the right.
- Round
- To round means to round a number up to the highest number possible.
- Area
- The number of square units needed to cover a surface.
- Fraction
- A number that names part of a whole.
- Rotation
- Turning a figure about a specified point called the center of rotation.
- Radius
- The distance from the center of a circle to a point on the circle.
- Denominator
- The bottom term of a fraction.
- Reduce
- To rewrite a fraction in lowest terms.
- Whole Numbers
- The members of the set (0, 1, 2, 3, 4, ...).
- Regular Polygon
- A polygon in which all sides have equal lengths and all angles have equal measures.
- Average
- The number found when the sum of two or more numbers is divided by the number of addends in the sum. Also called mean.
- Dividend
- A number that is divided.
- Segment
- A part of a line with two distinct endpoints.
- Face
- A flat surface of a geometric solid.
- Number Line
- A line for representing and graphing numbers. Each point on the line corresponds to a number.
- Pictograph
- A method of displaying data that involves using pictures to represent the data being counted.
- Ray
- A part of a line that begins at a point and continues without end in one direction.
- Irrational Numbers
- Numbers that cannot be expressed as a ratio of two integers. Their decimal expansions are nonending and nonrepeating.
- Intersect
- To share a point or points.
- Divisor
- A number by which another number is divided.
- Diameter
- The distance across a circle through its center.
- Sequence
- A list of numbers arranged according to a certain rule.
- Interior Angle
- An angle that opens to the inside of a polygon.